Available for Hire

Building Scalable Apps

I’m Jalish Mahmud. Full Stack Software Engineer with 5+ years of experience specializing in building scalable web apps, high-performance systems, RESTful API integrations, and modern UI/UX solutions. My frontend work focuses on React.js, Next.js, JavaScript and TypeScript.

Get in Touch GitHub
(+88) 01847 791 304 jalish93@gmail.com Dhaka, Bangladesh
Developer OverviewSummary of qualifications & key metrics
6+ YrsFull Stack Experience
4+Companies Worked With
100%Scalable Systems
Full StackCapable Stack
Connect on LinkedIn

Technical Expertise

Core technologies and tools I work with daily

Frontend Development

React.jsNext.jsRedux ToolkitTailwind CSSTypeScriptJavaScript (ES6+)GSAPHTML5 / CSS3Sass

Backend & API

Node.jsExpress.jsMongoDBPostgreSQL.NETPython (FastAPI)REST APIOAuthJWT

Tools & Workflow

GitJiraJestDockerWebSocketWebpackBabelFigmaWordPress

Work History

My professional journey and career progression

2025

JB Connect Ltd.

Intermediate Software Engineer

Banani, Dhaka, Bangladesh

  • Working with .NET, Python (FastAPI), and Nuxt.js, implementing features like Google Business Profile data scraping, Google Keyword Planner, Google Place Service, ChatGPT API, and Synup API for MEO tools.
  • Refactoring and improving existing backend and frontend modules to enhance system performance.
  • Debugging and resolving critical integration issues between systems, delivering stable feature releases.
2022

ShellBeeHaken Ltd.

Software Engineer - I

Mirpur DOHS, Dhaka, Bangladesh

Software Engineer - I (Jan 25 – Sep 25)Associate Software Engineer (Jan 23 – Dec 24)Trainee React Developer (Aug 22 – Dec 22)
  • Developed responsive pixel-perfect Next.js and React Native applications from Figma designs.
  • Integrated RESTful APIs using Node.js, Express.js, and MongoDB, optimizing backend and frontend performance.
  • Managed complex application states using Redux Toolkit, implemented dual-language support, and mentored junior developers.
2020

DataFairHosting Pty Ltd.

WordPress Web Developer (Remote)

Lakemba, NSW, Australia

  • Built and maintained WordPress-based eCommerce and corporate websites using themes and custom plugins.
  • Fixed bugs, updated content, and designed graphics using Photoshop and Illustrator to boost engagement.
2016

iFindCheaters LLC.

UI/UX Designer (Remote)

New Jersey, United States

  • Designed intuitive UI/UX structures for frontend and backend systems, improving overall application flow.
  • Collaborated with remote product managers and developers to produce consistent UI mockups and prototypes.

Featured Projects

Selected works demonstrating full stack engineering & performance optimization

KriyaKarak↗

ShellBeeHaken Ltd.

Developed core pages (Home, Feed, Seller, Pricing, NFC, Search) using HTML, Vanilla CSS, and Next.js. Integrated Bangla/English multi-language support, REST APIs, and SEO meta tags.

Visit KriyaKarak ›

Mapage↗

ShellBeeHaken Ltd.

Created responsive landing page layouts from Figma using Next.js and Styled Components. Built beautician portfolio templates with fast loading speeds and API integration.

Visit Mapage ›

Leclair↗

ShellBeeHaken Ltd.

Resolved multi-device responsive design bugs and refactored legacy React class components into modern, reusable functional components to boost code maintainability.

Website currently unavailable

Education & Certifications

Jagannath University

Postgraduate & Bachelor's Degrees

NamasteDev

Namaste React Certification

Duolingo, Inc.

Duolingo English Test (DET)

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Notes on frontend engineering, product development, and design

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